diff --git a/dom/media/tests/mochitest/mochitest.ini b/dom/media/tests/mochitest/mochitest.ini
index 0b3e3df0ae9..26e5cff49fa 100644
--- a/dom/media/tests/mochitest/mochitest.ini
+++ b/dom/media/tests/mochitest/mochitest.ini
@@ -37,9 +37,11 @@ skip-if = os == 'mac'
 [test_peerConnection_basicAudioVideoCombined.html]
 [test_peerConnection_basicVideo.html]
 [test_peerConnection_bug822674.html]
+[test_peerConnection_bug825703.html]
 [test_peerConnection_bug827843.html]
 [test_peerConnection_bug834153.html]
 [test_peerConnection_bug835370.html]
+[test_peerConnection_errorCallbacks.html]
 [test_peerConnection_offerRequiresReceiveAudio.html]
 [test_peerConnection_offerRequiresReceiveVideo.html]
 [test_peerConnection_offerRequiresReceiveVideoAudio.html]
diff --git a/testing/mochitest/b2g-debug.json b/testing/mochitest/b2g-debug.json
index 6b0d0b6e7ac..22b9da9ae28 100644
--- a/testing/mochitest/b2g-debug.json
+++ b/testing/mochitest/b2g-debug.json
@@ -315,6 +315,11 @@
     "dom/media/tests/mochitest/test_peerConnection_offerRequiresReceiveVideo.html":"Bug 960442, video support for WebRTC is disabled on b2g",
     "dom/media/tests/mochitest/test_peerConnection_offerRequiresReceiveVideoAudio.html":"Bug 960442, video support for WebRTC is disabled on b2g",
     "dom/media/tests/mochitest/test_peerConnection_throwInCallbacks.html":"Bug 960442, video support for WebRTC is disabled on b2g",
+
+    "dom/media/tests/mochitest/test_peerConnection_bug825703.html":"Bug 950266, test is perma-fail with Nuwa enabled",
+    "dom/media/tests/mochitest/test_peerConnection_errorCallbacks.html":"Bug 950266, test is perma-fail with Nuwa enabled",
+
+    
     "dom/media/tests/ipc/test_ipc.html":"nested ipc not working",
 
     "dom/network/tests/test_networkstats_basics.html":"Will be fixed in bug 858005",
diff --git a/testing/mochitest/b2g.json b/testing/mochitest/b2g.json
index 95f3496e261..21de8bf270a 100644
--- a/testing/mochitest/b2g.json
+++ b/testing/mochitest/b2g.json
@@ -301,6 +301,10 @@
     "dom/media/tests/mochitest/test_peerConnection_offerRequiresReceiveVideo.html":"Bug 960442, video support for WebRTC is disabled on b2g",
     "dom/media/tests/mochitest/test_peerConnection_offerRequiresReceiveVideoAudio.html":"Bug 960442, video support for WebRTC is disabled on b2g",
     "dom/media/tests/mochitest/test_peerConnection_throwInCallbacks.html":"Bug 960442, video support for WebRTC is disabled on b2g",
+
+    "dom/media/tests/mochitest/test_peerConnection_bug825703.html":"Bug 950266, test is perma-fail with Nuwa enabled",
+    "dom/media/tests/mochitest/test_peerConnection_errorCallbacks.html":"Bug 950266, test is perma-fail with Nuwa enabled",
+
     "dom/media/tests/ipc/test_ipc.html":"nested ipc not working",
 
     "dom/permission/tests/test_permission_basics.html":"https not working, bug 907770",